Company Index - D
- D Benson (Controls) Ltd. - Normanton
- D & K Wiring Services Ltd. - Luton
- D & M Machinery Ltd. - Wakefield
- D & R Electro Optics Ltd. - Rhyl
- D A B Edwards Ltd. - Mountain Ash
- D A Electronics - Nottingham
- D B Brooks (Electrical Engineers) Ltd. - Heanor
- D B K - Technitherm Ltd. - Pontyclun
- D B M G Ltd. - Cottingham
- D C Allen Ltd - Poole
- D C Electronics - Ellesmere Port
- D C P Microdevelopments Ltd. - Attleborough
- D E B Electronics Ltd. - St Albans
- D G Colour Ltd - Warminster
- D J Birchall Ltd. - Bury St Edmunds
- D J Circuits Ltd. - Harrogate
- D K L Metals Ltd. - Linlithgow
- D L Electrical Supplies (Mitcham) Ltd. - London
- D N C Electronics Ltd - Swindon
- D P Fabrications Ltd. - Bedford
- D R Security & Electrical Ltd. - London
- D S M Technical Publications Ltd. - Peterborough
- D S P Design Ltd. - Chesterfield
- D S P G Ltd. - London
- D T L Broadcast Ltd. - Hayes
- D V Electronics Ltd. - Yateley
- D V R Electronics Ltd. - Hemel Hempstead
- D-Link (Europe) Ltd. - London
- D-TACQ Solutions Ltd - East Kilbride
- Dac Ltd. - Nelson
- Daco Scientific Ltd - Reading
- Dacoll - Hampton
- DACS (Electrical) Ltd - Deeside
- Daewoo Electronics - Antrim
- Daewoo Electronics Sales Ltd - Wokingham
- Dage Precision Industries Ltd. - Aylesbury
- Daktron Electronics Ltd. - East Boldon
- Daktronics Uk Ltd. - Bristol
- Dale Electronics Ltd. - Camberley
- Daleba Electronics Ltd. - Hertford
- Daletech Electronics Ltd. - Pudsey
- Dalroad Norslo Ltd. - Luton
- Daltech Ltd - Cullompton
- Daly Communications Ltd - Leicester
- Damar International Ltd. - Leicester
- Dan Electronics - Cambridge
- Danbury Electronics - Chelmsford
- Danfoss - Winsford
- Danfoss Randall Ltd. - Bedford
- Daniel Europe Ltd. - Stirling
- Daniel Josefsson Ltd - York
- Dannell Electronics Ltd - Saffron Walden
- Dantec Dynamics Ltd. - Bristol
- Dantom Production Solutions Ltd. - Warrington
- Danum Well Services Ltd. - Doncaster
- DAPR Industrial Electronics Ltd - Accrington
- Daq Solutions Ltd - Barnsley
- Daresbury Laboratory - Warrington
- Darlington EMS - Stockport
- Dartpoint Ltd. - Romney Marsh
- Dartrite Ltd. - Brixham
- Data and Power Solutions Ltd - Taunton
- Data Display (U K) Ltd. - Waterlooville
- Data Encryption Systems Ltd. - Taunton
- Data Harvest Group Ltd. - Leighton Buzzard
Data Physics UK Ltd - Hailsham- Data Supplies & Accessories Ltd. - Stirling
- Data Track Process Instruments Ltd. - Christchurch
- Data Translation - Basingstoke
- Datacolor International Ltd. - Altrincham
- Datacomm Uk Ltd - Cambridge
- Datacraft - Norwich
- Dataflow I T Ltd. - Richmond
- DataLink Communications - Loughrea
- Dataman Programmers Ltd - Dorchester
- Datanet Radio Communications - Leighton Buzzard
- DataOnline (UK) Ltd - Corby
- Datapage Ltd. - Luton
- Datascope Recruitment - London
- Datasensor (UK) Ltd - Bicester
- Dataserv Ltd. - Staines
- Datasharp Telecom (Chiltern) - Gerrards Cross
- Datec Technologies Ltd - Kilwinning
- Datum CAD Ltd - Gloucester
- Datum Electronics Ltd - East Cowes
- Datwyler UK Ltd - Chandlers Ford

Dau Components Ltd - Bognor Regis- Daval Controls Ltd. - Bridgnorth
- Davec Telecom Incorporating JCS Security Systems - Sheffield
- Davico Industrial Ltd. - West Bromwich
- David Ball Projects Ltd. - Blackburn
- David Harrison & Sons Ltd. - Halifax
- Davin Optronics Ltd. - Watford
- Davtrend Ltd. - Portsmouth
- Dax International Ltd. - Tewkesbury
- Day International (U K ) Ltd. - Dundee
- Dayford Designs Ltd. - Borehamwood
- DC-Daylight Ltd - Cardiff
- DCA Design International - Warwick
- DCB Automation Ltd - Halesowen
- DCDS Creative - St Ives (Huntingdon)
- DDC (United Kingdom) Ltd - Newbury
- Ddr Ltd. - Rugby
- De La Rue Plc - Basingstoke
- Deaf Alerter Plc - Derby
- Dealec - Dover
- Dean & Wood Ltd. - Leatherhead
- Deans Engineering (Livingston) Ltd. - Livingston
- Deben U K Ltd - Bury St Edmunds
- Debro Systems - Shipley
- Deco Leisure Ltd - Birmingham
DED Ltd - Romney Marsh- Dedicated Microcomputers Ltd. - Manchester
- Dee Communications Ltd. - Chester
- Deebridge Electrical Engineers Ltd. - Aberdeen
- Deeco Ltd - Derby
- Deep Sea Electronics Plc - Filey
- Definitive Test Automation - Portsmouth
- Dehn (U K ) Ltd. - Oldham
- Deidre Reuter - Cheltenham
- Deister Electronic (U K) Ltd. - Spalding
- DEK Printing Machines Ltd - Weymouth
- Delcam International plc - Birmingham
- Dell Emerging Markets (Emea) Ltd. - Bracknell
- Deloitte McS Ltd - Bath
- Delphi Diesel Systems Ltd. - Stonehouse
- Delta Batteries (Of Bury) Ltd. - Bury
- Delta Design Systems Ltd - Clacton on Sea
- Delta Electronics Europe Ltd - Glasgow
- Deltex Medical Group Plc - Chichester
- Deltra Electronics Ltd. - Wembley
- Deltron UK Ltd - Scunthorpe
- DEM Manufacturing - Scunthorpe
- Demco Communications Ltd. - Wembley
- Demeter Windings - Chelmsford
- Denbridge Marine Ltd. - Birkenhead
- Dencon Accessories Ltd. - Harlow
- Denis Ferranti Electronics - Bangor
- Denis Ferranti Group - Bangor
- Denman Electrical Wholesale - Skelmersdale
- Densitron Europe Ltd. - London
- Dentsply Ash Instruments - Plymouth
- Deposition Technology Ltd. - Bathgate
- DERA - Defence Evaluation and Research Agency - Salisbury
- Derby Electronics - Derby
- Design Analysis UK Ltd - Worcester
- Design Digital Solutions Ltd. - Wakefield
- Design Drafting Services - Bury
- Design Environmental Ltd - Ebbw Vale
- Design Interface Ltd - Bury St Edmunds
- Design International Ltd - Ruthin
- Design LED Products Ltd - Livingston
- Design Techniques Ltd. - Hinckley
- Design2xL Ltd - Staines
- DesignWrights Ltd - Liss
- Detech Europe Ltd - Bridlington
- Detector Electronics (U K ) Ltd. - Slough
- Detica Group Ltd. - Farnborough
- Deutsch UK - St Leonards on Sea
- Deva Electronic Controls Ltd - Birkenhead
- Deval Ltd. - New Milton
- Devantech Ltd. - Diss
- Devlin Components - Basingstoke
- Devlin Electronics Ltd - Basingstoke
- Devondale Electrical Distributors Ltd. - Exeter
- DeWalt Industrial Power Tool Co Ltd - Spennymoor
- Dewetron UK Ltd - Faringdon
- Dexdyne Ltd. - Cirencester
- Dfx Technology Ltd. - Witney
- Dia-Nielsen Uk Ltd. - Norwich
- Diagnostic Sonar Ltd. - Livingston
- Dial Art (PC) Ltd - Christchurch
- Dial Electronics Ltd. - Washington
- Dialight Blp Ltd. - Newmarket
- Dialog Semiconductor (U K) Ltd. - Swindon
- Dialogic (Uk) Ltd. - Maidenhead
- Diamond Coatings Ltd - Halesowen
- Diamond Electronics Ltd - Sandbach
- Diamond H Controls Ltd. - Coventry
- Diamond HMI - Sandbach
- Diamond People Ltd - Bromyard
- Diamond Point International Ltd - Rochester
- Diamond Software (Audenshaw) Ltd. - Manchester
- Diatron Assembly Systems Ltd. - Norwich
- Diba Ltd - Cambridge
- Dice Ltd. - Horsham
- Dicoll Ltd - Reading
- Digimess Instruments Ltd - Derby
- Digital Development - Douglas
- Digital Power Ltd. - Salisbury
- Digital Projection Ltd - Manchester
- Digitax Electronics UK Ltd - North Shields
- Digitel Technology Ltd - Barnstaple
- Digitimer Ltd - Welwyn Garden City
- Digitrol Ltd. - Swansea
- Dione Ltd. - Uxbridge
- Dionex (Uk) Ltd - Leeds
- DIP International Ltd - Cambridge
- Direct Bearings and Power Transmissions Ltd - Broadstairs
- Direct Cells - Liverpool
- Direct Insight Ltd. - Banbury
- Direct Instrument Hire - Ormskirk
- Direct Systems (Software) Ltd - South Croydon
- Direct Telecom Services Ltd. - St Neots
- Direct-Industrial.com - Blackburn
- Disco Hi-Tec U K Ltd. - East Grinstead
Display Solutions Ltd - Huntingdon- Display Technology Ltd - Chatham
- Displaze - Buckingham
Distributed Micro Technology Ltd (DMTL) - Sandhurst- Distributed Technology - Oxted
- DIT- MCO International - Brough
- Ditton Thermatics Ltd. - Ashford
- DJS Electronics Ltd - Weymouth
- DLL Nozzle Heaters - Worcester
- Dmg Control Systems Ltd. - Washington
- DMS Technologies - Romsey
- Documation Software Ltd. - Eastleigh
- Doel Engineering Ltd - Witham
- Dok-Tek Systems Ltd. - Bristol
- Dolby Laboratories Inc - Swindon
- Dominic Evans Electronics - Worcester
- Donald A Richardson - Haverfordwest
- Dor-O-Matic - Ingersoll Rand Security Technologies - Leamington Spa
- Dorlec Ltd. - Chesterfield
- Dorman Smith Switchgear Ltd - Witham
- Double D Electronics Ltd. - Gravesend
- Douglas Electronic Industries Ltd. - Louth
- Dove Thermal Engineering Ltd - Uttoxeter
- Dowding & Mills (Scotland) Ltd. - Larbert
- Dowding & Mills (U K ) Ltd. - Warrington
- Dowding and Mills Electronics plc - Birmingham
- Dowding and Mills Engineering Services Ltd - Ryton
- Dowding and Mills plc - Sheffield
- Dowding and Plummer Ltd - Victor Floor Care - Birmingham
- Dragon Computer Remarketing Ltd - Portsmouth
- Draka Comteq Uk Ltd. - Washington
- Draka U K Ltd. - Derby
- Drawmer Electronics Ltd. - Rotherham
- Draycast Foundries Ltd - Chesham
- Drewlec Ltd. - Bournemouth
- Driftgate 2000 Ltd. - St Neots
- Drive Systems Ltd. - Preston
- DrivePro Ltd - Watford
- Dron & Dickson Ltd - Stirling
- Drucegrove Ltd. - Waltham Abbey
- Dry Battery Supplies - Bristol
- Ds Smith (Uk) Ltd. - Bristol
- Ds-Neptune Developments Ltd. - Lingfield
- Dsg-Canusa Uk Ltd. - Plymouth
- DSH Electronics Ltd - Bradford
- Dsl Systems Ltd - Nottingham
- Du Pont (Uk) - Middlesbrough
- Du Pont (UK) Ltd - Bristol
- Du Pont (Uk) Ltd. - Wrexham
- Dubilier - Scunthorpe
- Duddon Electronics Ltd. - Coniston
- Dunasfern - Bletchley
- Dunkermotoren Linear Systems - Basildon
- Duplex CSA Ltd - St Neots
- Duracell UK - Crawley
- Duvine Developments Ltd. - Haverhill
- DVA Controls - Colwyn Bay
- DVR Ltd - Basildon
- DVS LTD - Cardiff
- Dwyer Instruments Ltd - High Wycombe
- Dwyran Design and Development Ltd - Anglesey
- Dy-tech Ltd - Crawley
- Dyfed Electronics Ltd. - Milford Haven
- Dyna-lec - Sheffield
- Dynamic Computer Services - Leeds
- Dynamic Display Ltd. - Croydon
- Dynamic EMS Ltd - Dunfermline
- Dynamic Signal Processing Ltd. - Newbury
- Dynamic Test Systems - Ware
- Dynamix Technology Ltd. - Kidlington
- DynOptic Systems Ltd - Brackley
- Dytronics Ltd - Barton upon Humber
